A decision-making process can be expressed as a series of connected steps. Combine journies from a group of people together and the results can be visualized as a network diagram.
Individual steps and the paths between them are sized by the number of people who took that sequence of steps at any point in their journey. Directionality is preserved because different people taking different steps at different times. They also might take the same step more than once.
The fictitious example below demonstrates prospective college students' journey to deciding to apply to a single school.
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